On Thursday, April 26, 2018 at 4:12:41 AM UTC, Brent wrote: > > > > On 4/25/2018 7:44 PM, [email protected] <javascript:> wrote: > > > > On Thursday, April 26, 2018 at 2:17:31 AM UTC, Brent wrote: >> >> >> >> On 4/25/2018 6:39 PM, [email protected] wrote: >> >> >> *On its face it's absurd to think the SoL is invariant for all observers >> regardless of the relative motion of source and recipient, but it has >> testable consequences. The MWI has no testable consequences, so it makes no >> sense to omit this key difference in your historical comparisons with other >> apparent absurdities in physics. Moreover when you factor into >> consideration that non locality persists in the many worlds postulated -- >> assuming you accept Bruce's analysis -- what exactly has been gained by >> asserting the MWI? Nothing as far as I can tell. And the loss is >> significant as any false path would be. AG* >> >> >> It's one possible answer to the question of where the Heisenberg cut is >> located (the other is QBism). It led to the theory of decoherence and >> Zurek's theory of quantum Darwinism which may explain Born's rule. >> >> Brent >> > > * I've always found the Heisenberg Cut to be a nebulous concept, a kind of > hypothetical demarcation between the quantum and classical worlds. * > > > That's the problem with it; it doesn't have an objective physical > definition. Bohr regarded it as a choice in analyzing an experiment; you > put it where ever was convenient. > > *What kind of boundary are we talking about, and how could the MWI shed > any light on it, whatever it is? AG * > > > In MWI there is no Heisenberg cut; instead there's a splitting of worlds > which has some objective location in terms of decoherence. > > Brent >
The Heisenberg Cut is too vague and ill-defined to shed light on anything, and to say the MWI is helpful is adding another layer of confusion. AG -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.

